?? geo_tiffp.h
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/********************************************************************** * * geo_tiffp.h - Private interface for TIFF tag parsing. * * Written by: Niles D. Ritter * * This interface file encapsulates the interface to external TIFF * file-io routines and definitions. The current configuration * assumes that the "libtiff" module is used, but if you have your * own TIFF reader, you may replace the definitions with your own * here, and replace the implementations in geo_tiffp.c. No other * modules have any explicit dependence on external TIFF modules. * * Revision History; * * 20 June, 1995 Niles D. Ritter New * 6 July, 1995 Niles D. Ritter Fix prototypes * **********************************************************************/#ifndef __geo_tiffp_h_#define __geo_tiffp_h_/********************************************************************** * * Private includes * * If you are not using libtiff and XTIFF, replace this include file * with the appropriate one for your own TIFF parsing routines. * * Revision History * * 19 September 1995 ndr Demoted Intergraph trans matrix. * **********************************************************************/#include "geotiff.h"#include "xtiffio.h"#include "cpl_serv.h"/* * dblparam_t is the type that a double precision * floating point value will have on the parameter * stack (when coerced by the compiler). You shouldn't * have to change this. */#ifdef applectypedef extended dblparam_t;#elsetypedef double dblparam_t;#endif/********************************************************************** * * Private defines * * If you are not using "libtiff"/LIBXTIFF, replace these definitions * with the appropriate definitions to access the geo-tags * **********************************************************************/ typedef unsigned short pinfo_t; /* SHORT ProjectionInfo tag type */typedef TIFF tiff_t; /* TIFF file descriptor */typedef tdata_t gdata_t; /* pointer to data */typedef tsize_t gsize_t; /* data allocation size */ #define GTIFF_GEOKEYDIRECTORY TIFFTAG_GEOKEYDIRECTORY /* from xtiffio.h */#define GTIFF_DOUBLEPARAMS TIFFTAG_GEODOUBLEPARAMS#define GTIFF_ASCIIPARAMS TIFFTAG_GEOASCIIPARAMS#define GTIFF_PIXELSCALE TIFFTAG_GEOPIXELSCALE#define GTIFF_TRANSMATRIX TIFFTAG_GEOTRANSMATRIX#define GTIFF_INTERGRAPH_MATRIX TIFFTAG_INTERGRAPH_MATRIX#define GTIFF_TIEPOINTS TIFFTAG_GEOTIEPOINTS#define GTIFF_LOCAL 0#if defined(__cplusplus)extern "C" {#endif/* * Method function pointer types */typedef int (*GTGetFunction) (tiff_t *tif, pinfo_t tag, int *count, void *value );typedef int (*GTSetFunction) (tiff_t *tif, pinfo_t tag, int count, void *value );typedef tagtype_t (*GTTypeFunction) (tiff_t *tif, pinfo_t tag);typedef struct _TIFFMethod { GTGetFunction get; GTSetFunction set; GTTypeFunction type;} TIFFMethod;/********************************************************************** * * Protected Function Declarations * * These routines are exposed implementations, and should not * be used by external GEOTIFF client programs. * **********************************************************************/extern gsize_t _gtiff_size[]; /* TIFF data sizes */extern void CPL_DLL _GTIFSetDefaultTIFF(TIFFMethod *method);extern gdata_t CPL_DLL _GTIFcalloc(gsize_t);extern gdata_t CPL_DLL _GTIFrealloc(gdata_t,gsize_t);extern void CPL_DLL _GTIFFree(gdata_t data);extern void CPL_DLL _GTIFmemcpy(gdata_t out,gdata_t in,gsize_t size);#if defined(__cplusplus)} #endif#endif /* __geo_tiffp_h_ */
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